Introduction
Thank you for choosing the Shadowhawk S1929 2-in-1 LED/UV Flashlight. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your device. Please read it thoroughly before use and retain it for future reference.
The Shadowhawk S1929 is a versatile lighting tool combining a powerful white LED beam with a dedicated UV light. It features high luminosity, adjustable zoom, multiple operating modes, and a robust design suitable for various outdoor and indoor applications.

Figure 1: Shadowhawk S1929 2-in-1 LED/UV Flashlight and its packaging, highlighting key features like LCD display, adjustable focus, high lumens, USB-C rechargeability, and dual switch.
Package Contents
Verify that all items listed below are present in your package:
- 1x Shadowhawk S1929 2-in-1 LED/UV Flashlight
- 1x Rechargeable Battery (5000mAh)
- 1x USB-C Charging Cable
- 3x AAA Batteries with Adapter and Plastic Tube
- 1x Holster
- 1x User Manual
- 1x Gift Box (packaging)

Figure 2: Visual representation of all included components: flashlight, holster, rechargeable battery, AAA batteries with adapter, USB-C cable, and user manual.
Setup
Battery Installation
- Unscrew the tail cap of the flashlight counter-clockwise.
- Insert the provided 5000mAh rechargeable battery with the positive (+) terminal facing towards the flashlight head.
- Alternatively, if using AAA batteries, place three AAA batteries into the provided adapter and insert the adapter into the flashlight.
- Screw the tail cap back on clockwise until secure.
Initial Charge
Before first use, fully charge the rechargeable battery.
- Connect the USB-C charging cable to the flashlight's USB-C port.
- Connect the other end of the cable to a USB power source (e.g., wall adapter, computer USB port).
- The LCD display on the flashlight will show the charging progress. Charge until the display indicates 100%.
Operating Instructions
The Shadowhawk S1929 features a dual-switch system for independent control of white and UV light, along with adjustable focus and multiple modes.

Figure 3: The flashlight features two independent switches: one for UV light (left) and one for white light (right), allowing precise control over illumination type.
White Light Operation
- Power On/Off: Press the white light switch (power symbol) to turn the flashlight on or off.
- Mode Cycling: With the white light on, press the white light switch repeatedly to cycle through modes: High, Low, Strobe.
- Continuous Dimming: To adjust brightness continuously, press and hold the white light switch while the light is on. Release the button when the desired brightness is reached.
- Instant Off: If the flashlight has been on for more than 15 seconds in any mode, a single press of the white light switch will turn it off directly, without cycling through other modes.

Figure 4: Illustration of the white light modes (High, Low, Strobe) and the continuous dimming feature, activated by pressing and holding the power button.
UV Light Operation
- Power On/Off: Press the UV light switch (UV symbol) to turn the UV light on or off.
- Continuous Dimming: To adjust UV light intensity continuously, press and hold the UV light switch while the UV light is on. Release the button when the desired intensity is reached.

Figure 5: The UV light offers both a wide flood mode for general inspection (top) and a focused spot mode for detailed analysis (bottom).
Adjustable Zoom (Focus)
The flashlight features an adjustable zoom function to change the beam from a wide floodlight to a focused spotlight.
- To adjust the focus, gently push or pull the head of the flashlight.
- Extend the head for a narrow, long-distance spotlight.
- Retract the head for a wide floodlight, illuminating a larger area.

Figure 6: The flashlight's powerful 500,000 lumen output and adjustable zoom allow illumination up to 1000 meters, providing both wide-area floodlight and focused spotlight capabilities.
Charging and Power Bank Functionality
Charging the Flashlight
The Shadowhawk S1929 is equipped with a USB-C input for convenient charging.
- Locate the USB-C port on the flashlight body.
- Connect the provided USB-C cable to the flashlight and a compatible USB power source.
- The integrated LCD display will show the battery percentage during charging.
- A full charge typically takes several hours, indicated by 100% on the display.
Power Bank Function
The flashlight can also function as a power bank to charge other devices via its USB-A output port.
- Connect your device's charging cable to the flashlight's USB-A output port.
- The flashlight's battery will then supply power to charge your connected device.
- Monitor the flashlight's LCD display for remaining battery percentage.

Figure 7: The flashlight's USB-C port allows for rapid charging (bottom), while the USB-A port enables it to act as a power bank for other devices (top). The LCD display shows the precise battery percentage.
Maintenance
Cleaning
- Wipe the flashlight body with a soft, damp cloth.
- Do not use abrasive cleaners or solvents.
- Clean the lens gently with a lens cloth to maintain optimal light output.
Battery Care
- If the flashlight will not be used for an extended period, remove the battery to prevent leakage.
- Store batteries in a cool, dry place.
- Recharge the battery periodically (every 3-6 months) even if not in use to maintain its lifespan.
Water Resistance
The Shadowhawk S1929 is rated IP67 for water and dust resistance.
- This means it is protected from dust ingress and can withstand immersion in water up to 1 meter for 30 minutes.
- Ensure all ports are securely covered before exposing the flashlight to water.
- Do not intentionally submerge the flashlight for prolonged periods or at depths exceeding its rating.

Figure 8: The flashlight's dimensions are 17.3cm length, 4.9cm head diameter, 3.4cm body diameter, and it weighs 260g. It is IP67 waterproof, making it suitable for use in wet conditions.
Safety Information
- Eye Safety: Do not look directly into the LED light or shine it directly into the eyes of people or animals. The high intensity light can cause temporary vision impairment or permanent eye damage.
- Children: Keep out of reach of children.
- Heat: The flashlight may become warm during prolonged use, especially on high settings. This is normal.
- Battery Safety: Use only recommended batteries. Do not mix old and new batteries, or different types of batteries. Do not dispose of batteries in fire.
- Disassembly: Do not attempt to disassemble or modify the flashlight. This will void the warranty and may cause damage or injury.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is dead or incorrectly inserted. | Charge the battery or check its orientation. Ensure the tail cap is fully tightened. |
| Light is dim or flickers. | Low battery charge. Loose connections. | Recharge the battery. Ensure the tail cap and head are securely tightened. |
| Flashlight does not charge. | Faulty cable or power source. USB-C port obstruction. | Try a different USB-C cable and power source. Check the port for debris. |
| UV light not working. | UV switch not pressed. | Ensure you are pressing the dedicated UV light switch. Check battery charge. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | IT-S1929 |
| Brand | Shadowhawk |
| Light Source | XHM90.2 LED (White Light), UV LED |
| Luminous Flux (White Light) | 500,000 Lumens |
| Beam Distance | Up to 1000 meters |
| Power Source | Rechargeable Battery (5000mAh included) or 3x AAA Batteries (with adapter) |
| Charging Port | USB-C Input |
| Power Bank Output | USB-A Output |
| Material | Aeronautical Grade Aluminum |
| Water Resistance | IP67 (Dustproof, submersible up to 1m for 30 min) |
| Dimensions | Flashlight: 17.3cm (length) x 4.9cm (head diameter) x 3.4cm (body diameter) |
| Weight | 260 grams |
| Special Features | Dual Light System (White & UV), Adjustable Zoom, Continuous Dimming, 4 White Light Modes (High, Low, Strobe), LCD Battery Display |
Warranty and Support
Shadowhawk products are designed for durability and performance. For specific warranty details, please refer to the warranty card included with your product or contact Shadowhawk customer support.
For technical assistance, troubleshooting, or warranty claims, please visit the official Shadowhawk website or contact their customer service department. Keep your purchase receipt as proof of purchase.
Online Support: Shadowhawk Official Store on Amazon





